Nokea
In gut, serosa is outer most layer and made up of
- A. Endothelium
- B. Smooth muscles
- C. Mesothelium
- D. Dense connective tissue
Correct Answer: C
Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.
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Which statement about chemical digestion in the human alimentary canal is correct?
- A. Digestion of carbohydrates is completed in the colon.
- B. Enzymes are secreted to break down cellulose in the duodenum.
- C. Protein digestion is completed in the ileum.
- D. The stomach secretes enzymes to break down starch.
Correct Answer: C
Rationale: Protein digestion begins in the stomach with pepsin and is completed in the ileum by proteolytic enzymes from the pancreas and intestinal mucosa.
Which of the following is absorbed in ileum-
- A. Fat
- B. Bile salts
- C. Vit-K
- D. Glucose
Correct Answer: B
Rationale: Bile salts are reabsorbed in the ileum.
When suggesting menu options to a group of senior citizens, the nurse is careful to include which of the following choices that would enhance normal physiology and prevent the problem of constipation?
- A. Whole grains
- B. Highly spiced or flavored foods
- C. Limiting fluids
- D. Salads and fresh fruits
Correct Answer: A
Rationale: Whole grains increase fiber intake, promoting bowel regularity and preventing constipation.
All about hepatocyte is true EXCEPT:
- A. Has 3 types of borders
- B. May be binucleated
- C. Secrete bile
- D. Has long microvilli forming brush border
Correct Answer: D
Rationale: Hepatocytes have microvilli facing the space of Disse, but not a brush border, which is characteristic of intestinal enterocytes.
Of the following, which organ does food NOT pass through?
- A. pancreas
- B. stomach
- C. mouth
- D. small intestine
Correct Answer: A
Rationale: Food does not pass through the pancreas; it produces digestive enzymes that aid digestion.